Being destroyed...
I think that ship sailed already.
(har har)
Yep , mark them on a map take a few pictures/video and move on ,LOL
Lol!
Think of the sunken ships as sacrificial — to save still floating (and useful) ones from attack. Ships routinely have sacrificial metal strips to protect against hull corrosion.
How about research into dumping poisons around such wrecks to see if the critters are repelled?